White rectangular combustible gas detector labeled GD-2A, featuring two small indicator lights and instructions not to paint.

GD-2A | Macurco | Gas & Specialty Sensors

COMB GAS SWITCH 2 RELAYS

Brand:Macurco

MPN:GD-2A

SKU:GD-2A

List Price:

$430.00

Today's Price:

$223.60

product datasheet

installation instructions

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product series specifications

Supply Voltage:

CM-E1: 9-32 VDC @ 35 mA

GD-2B/HD-11: 12-24 VAC @ 2 VA; 12-24 VDC @ 35 mA

Range:

CM-E1: 70 ppm CO (15 ppm DIF)

GD-2B: 25% L.E.L. Methane and Propane

HD-11: 10% L.E.L. H2

Relay: (1) Alarm, SPST, 40 VDC @ 100 mA
(1) Trouble, SPST, 40 VDC @ 100 mA

Buzzer: (CM-E1 & GD-2B only) 85 db @ 10 feet

Operating Temperature:

CM-E1: 40 to 100°F (4.4 to 37.8°C)

GD-2B/HD-11: 32 to 120°F (0 to 48.9°C)

Operating Humidity: 10 to 90%, non-condensing

Enclosure Rating: NEMA 1

Dimensions:

CM-E1/GD-2B: 5.1" H x 3.1" W x 1.5" D (13 x 7.9 x 3.8 cm)

HD-11: 4.51" H x 5.0" W x 1.6" D (11.4 x 12.7 x 4.1 cm)

Weight:CM-E1/GD-2B: 1.0 lb (0.45 Kg), HD-11: 0.54 lb (0.25 Kg)

Approvals: ETL

Warranty: 2 years

product series features

Buzzer (CM-E1 model)
Mounts on 2 x 4 electrical box
Electronic detection system used to measure various gases

more information & related documents

Series Description

The Macurco™ Toxic and combustible switches are wall mounted, low voltage, relay detector switches. It is an electronic detection system used to measure various gases to switch at a high limit which can be wired to fans, damper actuators and etc. Model CM-E1 measures CO, Model GD-2B measures Methane and Propane and Model HD-11 measure Hydrogen.

Kele Description

COMB GAS SWITCH 2 RELAYS

Manufacturer

Macurco